The Town FilesMerrimac, Massachusetts
Town in Essex County · population 6,723 (2020 Census)
- Median home
- $553,400
- Household income
- $123,054
- Jan low / Jul high
- 16° / 82°
- Snow a year
- 62 in
- Tornadoes ≤10 mi since 1950
- 8
- Median age
- 49.4
Merrimac is a town of 6,723 people in Essex County, Massachusetts. The median home is worth $553,400, above the typical Massachusetts town ($510,150). It ranks better for first-time buyers than 76% of Massachusetts towns.
How Merrimac ranks
Percentile among Massachusetts towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Massachusetts towns.
Homes and cost of living
The median home in Merrimac is worth $553,400, above the typical Massachusetts town ($510,150). Homes cost about 4.5 times the median household income of $123,054, which is more affordable than 54% of Massachusetts towns. Median rent is $1,352 a month. 81.3% of households own their home.
| Housing | Merrimac | Typical Massachusetts town |
|---|---|---|
| Median home value | $553,400 | $510,150 |
| Median rent | $1,352 | $1,561 |
| Median household income | $123,054 | $108,622 |
| Home value ÷ income | 4.5× | 4.5× |
| Homeownership | 81.3% | 80.7% |
| Median year built | 1982 | 1968 |
| Seasonal / vacation homes | 0.0% | — |
Who lives in Merrimac
| People | Merrimac | Typical Massachusetts town |
|---|---|---|
| Median age | 49.4 | 44.8 |
| Age 65 and over | 26.7% | 20.7% |
| Under 18 | 16.5% | — |
| Bachelor's degree or higher | 41.0% | 45.7% |
| Below the poverty line | 9.4% | 6.3% |
| Veterans | 4.0% | — |
| Born outside the U.S. | 1.5% | — |
| Work from home | 8.5% | 17.7% |
| Average commute | 32.0 min | 30.1 min |
| Homes with broadband | 91.3% | 93.9% |
Weather in Merrimac
July highs average 82.4°F and January lows 16.2°F. About 49.6 inches of rain and melted snow fall a year, with 61.9 inches of snow (typical Massachusetts town: 49.5 in). Expect about 13 days a year at 90°F or hotter and 144 nights at or below freezing.
Tornadoes, storms and disasters
8 tornadoes have passed within 10 miles of Merrimac since 1950, compared with 8 for the typical Massachusetts town. 5 rated (E)F2 or stronger. The strongest, an F3, struck on June 9, 1953 about 9.3 miles from the town center. The most recent was on May 21, 2006.
Hail of 1 inch or larger has been reported within 10 miles 47 times; the largest was 2.00 inches on July 11, 2006.
Severe weather in Essex County since 1996
Essex County has been included in 40 federal disaster or emergency declarations since 1953, most often for fire, flood, other.
| Declared | Incident | Declaration |
|---|---|---|
| September 15, 2023 | Hurricane | EM-3599: Hurricane Lee |
| March 27, 2020 | Biological | DR-4496: Covid-19 Pandemic |
| March 13, 2020 | Biological | EM-3438: Covid-19 |
| July 19, 2018 | Snowstorm | DR-4379: Severe Winter Storm And Snowstorm |
| June 25, 2018 | Severe Storm | DR-4372: Severe Winter Storm And Flooding |
Jobs and pay in Essex County
Essex County had 323,694 jobs in 2024, paying an average of $75,548 a year. Unemployment was 3.5% in 2023; in Merrimac itself the ACS puts it at 1.5%.
Public schools in Merrimac
2 public schools with 476 students, about 11.6 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Helen R Donaghue School | 3-6 | 245 | 11.1 |
| Dr Frederick N Sweetsir | PK-2 | 231 | 12.2 |
Towns near Merrimac
- Newton, NH2.8 mi · 4,820 people · home $459,500
- West Newbury, MA3.6 mi · 4,500 people · home $808,200
- Plaistow, NH4.1 mi · 7,830 people · home $404,500
- Haverhill, MA5.4 mi · 67,787 people · home $453,900
- Groveland, MA5.9 mi · 6,752 people · home $610,900
- Kingston, NH6.1 mi · 6,202 people · home $492,900
- Newburyport, MA6.6 mi · 18,289 people · home $834,000
- Atkinson, NH7.9 mi · 7,087 people · home $555,200
Merrimac questions
Is Merrimac, Massachusetts a good place to retire?
On The Town Files lifestyle rankings, Merrimac scores better for retirees than 64% of Massachusetts towns and quieter than 66%. 26.7% of residents are 65 or older (median age 49.4).
How much does a house cost in Merrimac?
The median owner-occupied home in Merrimac is valued at $553,400 (Census ACS 2020–2024), against a median household income of $123,054, so homes cost about 4.5 times income. Median rent is $1,352 a month.
What is the weather like in Merrimac?
July highs average 82.4°F and January lows 16.2°F (NOAA 1991–2020 normals). It gets about 49.6 inches of precipitation a year and 61.9 inches of snow.
Does Merrimac get tornadoes?
8 tornadoes have passed within 10 miles of Merrimac since 1950 (NOAA Storm Events); the strongest was a F3 on June 9, 1953. The typical Massachusetts town has had 8.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)